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Most advanced “Spring Drive”
This movement is Spring Drive. Please refer following a link that go to wikipedia.
A ultimate hand movement ticks silky.
Self-winding watch second hand is finely ticking one second (1 s / 6 to 10 times). But a Spring Drive is incomparably smooth than Quartz.
A Spring Drive naturapply represent a time. This is a unique and special feature of Spring Drive.
648,000 Japanese yen
- Caliber NO: 9R66 30J
- Driving system: Spring Drive
- Water resist 10 bar
- Case Thickness: 0.54 inch / 13.6 mm
- Case diameter: 1.84 inch / 46.8 mm × 1.55 inch / 39.4 mm
- Item Weight: 5.57 Oz / 158 g
- Model Year: 2009
- Country of origin: Japan
- Brand: GRAND SEIKO
- Dial window material: Dual curve sapphire glass (Anti-reflective coating)
- Case material: Stainless
- Band material: Stainless
- There is a lion of a coat of arms in a case back
- Accuracy: ±15 s/ 1 month (±1 s / day)
- Screw lock type crown
- Screw Back
- 24 hour hand (Display of dual time)
- Power reserve display function
- Time difference correction feature that works in conjunction with a calendar
- Second hand stop function
Watch, Instructions, Original Box of SEIKO, 2-year Manufacturer Global Guarantee About warranty